Javascript 引导文件输入-删除附件和多个上载字段
我对插件有两个问题:Javascript 引导文件输入-删除附件和多个上载字段,javascript,php,jquery,twitter-bootstrap,bootstrap-file-upload,Javascript,Php,Jquery,Twitter Bootstrap,Bootstrap File Upload,我对插件有两个问题: 我正在上传到一个“temp”文件夹以存放文件,直到提交表单,并获得一个唯一的密钥,我可以将附件和表单数据关联起来。现在的问题是,如果用户希望通过本机“垃圾桶”图标删除上传的文件,上传的文件将保留在“临时”文件夹中,因为没有定义删除功能。如何设置“删除附件”按钮并将其指向“临时”文件夹中的附件 我有一个网页,有两个选项卡,每个选项卡都有一个表单供用户填写。我需要每个表单来显示fileinput插件,但是在复制代码后(即使输入字段有不同的名称),只有第一个fileinput字段
<h4>Attachments</h4>
<div class="col-md-12">
<input tabindex="19" id="input" name="input[]" type="file" multiple class="file-loading">
<p class="help-block">Max. filesize 5MB, images only (.jpg || .png || .bmp)</p>
<script>
var $input = $("#input");
$input.fileinput({
uploadUrl: "./attachments/upload.php", // server upload action
uploadExtraData: {log:'auto',holidex:'<?php echo $_SESSION['Holidex']; ?>',user:'<?php echo $_SESSION['myusername']; ?>'},
uploadAsync: false,
showUpload: false, // hide upload button
showRemove: false, // hide remove button
maxFileCount: 10,
'maxFileSize': 5120,
allowedFileTypes: ["image", "video"]
}).on("filebatchselected", function(event, files) {
// trigger upload method immediately after files are selected
$input.fileinput("upload");
});
</script>
</div>
附件
最大文件大小为5MB,仅限图像(.jpg | |.png | |.bmp)
变量$input=$(“#input”);
$input.fileinput({
uploadUrl:“./attachments/upload.php”,//服务器上载操作
uploadExtraData:{log:'auto',holidex:'',用户:'},
uploadAsync:false,
showUpload:false,//隐藏上载按钮
showRemove:false,//隐藏删除按钮
maxFileCount:10,
“maxFileSize”:5120,
允许的文件类型:[“图像”、“视频”]
}).on(“filebatchselected”,函数(事件、文件){
//选择文件后立即触发上载方法
$input.fileinput(“上传”);
});
upload.php
<?php
session_start();
if(isset($_FILES['input'])) {
// define variables
$holidex = $_POST['holidex'];
$user = $_POST['user'];
$output_dir = "./".$holidex."/temp/".$user."/";
// check whether temporary folder exists, otherwise create
if (!file_exists($output_dir)) {
mkdir($output_dir, 0755, true);
}
$ret = array();
// This is for custom errors;
/* $custom_error= array();
$custom_error['jquery-upload-file-error']="File already exists";
echo json_encode($custom_error);
die();
*/
$error = $_FILES["input"]["error"];
//You need to handle both cases
//If Any browser does not support serializing of multiple files using FormData()
if(!is_array($_FILES["input"]["name"])) //single file
{
$fileName = $_FILES["input"]["name"];
move_uploaded_file($_FILES["input"]["tmp_name"],$output_dir.$fileName);
$ret[]= $fileName;
}
else //Multiple files, file[]
{
$fileCount = count($_FILES["input"]["name"]);
for($i=0; $i < $fileCount; $i++)
{
$fileName = $_FILES["input"]["name"][$i];
move_uploaded_file($_FILES["input"]["tmp_name"][$i],$output_dir.$fileName);
$ret[]= $fileName;
}
}
echo json_encode($ret);
} else { echo "No data received."; }
?>